ProShares S&P Kensho Cleantech ETF(AMEX:CTEX)

CTEX focuses on the development of clean energy technologies or Cleantech. The fund includes US-listed firms engaged in: 1) technologies used for clean energy capture from various renewable resources (solar, wind, geothermal, and hydro), 2) technologies used for green hydrogen production and energy generation (electrolyzers and stationary fuel cells), 3) installation of these technologies for residential or commercial use, and 4) advanced energy storage devices (utility-scale batteries). Constituents are determined through an automated scan of company documents and SEC filings for terms or phrases relative to Cleantech. Identified companies are then classified as core or non-core based on its principal business strategy. Holdings are initially equal-weighted within each categorywith adjustments applied to overweight core stocks. The index reconstitutes annually and rebalances on a semi-annual basis.